Is ZetaMarker - PDF & Web Highlighter safe?

Clean risk

This extension highlights web pages and PDFs with notes and a searchable research library.

Users activate it on a page or online PDF, select text, choose highlight colors, add comments, and review highlights in a sidebar. Highlights save locally first, with optional sign-in for cloud sync, dashboard organization, search, and export features.

ZetaMarkerv7.7Chrome Web Store
0Risk
Who publishes it

ZetaMarker Ltd. - no other listings under this identity

What this publisher told the store about itself, and the other listings that told it the same thing.

Publisher
ZetaMarker
Declared legal entity
ZetaMarker Ltd.
Registered address
336 Mohawk Rd E, Hamilton, ON L9A 2J6, CA
Registered contact
Aliakbar Safilian

AI-generated. Findings may contain errors. Those marked Verified have been manually reviewed.

Publishers can request a review.

What it can do

Permissions this extension asks for, as declared in version 7.7. Asking for a permission is not a finding on its own - it is what the extension can do if it chooses to.

  • Read files on your computer that you open in the browser

    file:///*

  • Store data in your browser

    storage

  • Act on the current tab, but only after you click the extension

    activeTab

  • Run its own code inside the pages you visit

    scripting

  • Sign you in with your Google account

    identity

Where it sends data

Destinations our analysis observed ZetaMarker - PDF & Web Highlighter contacting. Sending data somewhere is not a finding on its own - an extension that syncs your settings has to talk to its own server - but it is where your data can go, and who else it goes to.

  • app.zetamarker.com

    ZetaMarker - PDF & Web Highlighter sends data to app.zetamarker.com. No other extension we have analysed sends data here.

Updated 30 September 2026ajaboiophmaflodkmglfpngnmiijkkle